1a) Pick any commercial CPUs available in state-of-the-art and identify their multilevel caches and their sizes.  b) Explain the operation of CPU cache and discuss the meaning of a cache hit and a cache miss? What is the impact of a cache miss in the overall performance of a program? c) What is cache coherency in multicore architectures? With examples.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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1a) Pick any commercial CPUs available in state-of-the-art and identify their multilevel caches and
their sizes. 
b) Explain the operation of CPU cache and discuss the meaning of a cache hit and a cache miss?
What is the impact of a cache miss in the overall performance of a program?
c) What is cache coherency in multicore architectures? With examples. 

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